The volume-weighted price solar and wind onshore actually earn, month by month, against the baseload average — the capture rate that quantifies cannibalisation in every European bidding zone. Computed from ENTSO-E hourly day-ahead prices × per-technology generation, 2015 to present. Free, no API key.
Pair each market with its day-ahead prices and negative-price hours, or chart any zone and window in the interactive explorer.